Unconventional oil

https://www.wikidata.org/wiki/Q1147488

Field Hierarchy

Parent
Biology 36.7M papers	Chemistry 29.4M papers	Engineering 25.6M papers	Organic chemistry 13.1M papers
Geology 10.6M papers	Ecology 8.3M papers	Paleontology 5.6M papers	Waste management 1.6M papers
Fossil fuel 103k papers		Oil shale 64.6k papers
Current
Unconventional oil 7,752 papers
Child
Oil shale gas 1,597 papers	Shale oil extraction 1,512 papers	Shell in situ conversion process 1,216 papers	Synthetic crude 1,119 papers

Trends

Notes

History